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Zigmanuir [339]
3 years ago
9

Find x in picture below. a. 4 b. 6 c.12

Mathematics
1 answer:
Blababa [14]3 years ago
8 0

Answer:

C.12

Step-by-step explanation:

Apply the formula for tangent-secant

Let the cord length inside the circle to be y

According to the tangent-secant relation

(3+y)/6 = 6/3

cross multiply

3(3+y)=6*6

9+3y=36

3y=36-9

3y=27

y=27/3

y=9

Distance x = y+3

x=9+3=12

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